Pre-amplification type novel recording system based on audio power amplification circuit

Abstract

The invention discloses a pre-amplification type novel recording system based on an audio power amplification circuit. The recording system is characterized by mainly comprising a microprocessor, a memory, a conversion module, an audio filter circuit, a timer, a pre-amplification circuit, an audio acquisition module, the audio power amplification circuit and a loudspeaker, wherein the memory, the conversion module, the audio filter circuit and the timer are respectively connected with the microprocessor; the pre-amplification circuit is connected with the conversion module; the audio acquisition module is connected with the pre-amplification circuit; the audio power amplification circuit is connected with the audio filter circuit; the loudspeaker is connected with the audio power amplification circuit; and the audio acquisition module is also connected with the microprocessor. The recording system has the advantages and beneficial effects that jamming noises can be inhibited and needed audio signals can be retained, so that the recording playing clarity can be improved; and the audio power amplification circuit is arranged and can be used for amplifying the power of the output audio signals, so that people can clearly listen to the recorded sounds repeatedly.

Description

technical field [0001] The invention relates to a recording system, in particular to a new pre-amplified recording system based on an audio power amplifier circuit. Background technique [0002] At present, with the development of science and technology and the needs of people's daily work, study and life, recording equipment has become an indispensable electronic product in various fields, and digital recording equipment with high-quality recording effects is more favored by people. [0003] However, the existing recording equipment will record all kinds of sounds when recording, and it cannot suppress the impurity audio well when processing the audio signal, so when people listen to the recording, they will be subject to a lot of noise. interference. Contents of the invention [0004] The purpose of the present invention is to overcome the defect that the existing recording equipment cannot suppress impurity audio very well, and provide a new preamplified recording syst...

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to overcome the defect that the existing recording equipment cannot suppress the impurity audio very well, and to provide a new type of preamplified recording system based on the audio power amplifier circuit

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